Rolex Datejust 31 31 mm, Oystersteel and Everose gold M278241-0018
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Reference
278241
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Model case
Oyster, 31 mm, Oystersteel and Everose gold
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Water-resistance
Waterproof to 100 metres / 330 feet
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Bezel
Domed
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Dial
Slate
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Bracelet
Jubilee, five-piece links
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Movement
Perpetual, mechanical, self-winding
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Calibre
2236, Manufacture Rolex
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Power reserve
Approximately 55 hours
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Certification
Superlative Chronometer (official chronometer certification + Rolex certification after casing)
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Slate Dial
The sunray finish creates delicate light reflections on many dials in the Oyster Perpetual collection. It is obtained using masterful brushing techniques that create grooves running outwards from the centre of the dial. Light is diffused consistently along each engraving, creating a characteristic subtle glow that moves depending on the position of the wrist. Once the sunray finish has been completed, the dial colour is applied using Physical Vapour Deposition or electroplating. A light coat of varnish gives the dial its final look.
Everose Rolesor
Gold is coveted for its lustre and nobility. Steel reinforces strength and reliability. Together, they harmoniously combine the best of their properties. A true Rolex signature, Rolesor has featured on Rolex models since the early 1930s, and was trademarked as a name in 1933. It is one of the prominent pillars of the Oyster Perpetual collection.
The Jubilee bracelet
The design, development and production of Rolex bracelets and clasps, as well as the stringent tests they face, involve advanced high technology. And, as with all the components of the watch, aesthetic controls by the human eye guarantee impeccable beauty. The Jubilee, a supple and comfortable five-piece link metal bracelet, was designed and made especially for the launch of the Oyster Perpetual Datejust in 1945.
Model availability
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I am interested in the Rolex Datejust, reference M278241-0018.